kennknowles commented on code in PR #38454:
URL: https://github.com/apache/beam/pull/38454#discussion_r3357489716
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runners/core-java/src/main/java/org/apache/beam/runners/core/SimpleDoFnRunner.java:
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@@ -231,7 +231,7 @@ public void finishBundle() {
}
@Override
- public void finishKey() {}
+ public <KeyT extends @Nullable Object> void finishKey(KeyT key) {}
Review Comment:
This `extends @Nullable Object` is undesirable: it will force nullability
even when the key type is not nullable.
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